TY  - BOOK
AU  - Raven,Peter H.
AU  - Johnson,George B.
TI  - Understanding biology
SN  - 0697235033
U1  - 570 
PY  - 1991///
CY  - Dubuque, Iowa
PB  - Wm.C. Brown Publishers
KW  - Biology
KW  - Cell biology; Energy; Genetics; Evolution; Ecology; Biological diversity; Plant biology; Animal biology
N2  - Science General
ER  -